<p>SoftBank Group Corp shares jumped as much as 7 per cent on Wednesday after Bloomberg News reported that the group was considering buying back shares to boost CEO Masayoshi Son's stake so he could squeeze out remaining investors.</p>.<p>SoftBank's shares are seen as chronically undervalued by company executives, with debate around the benefits of a buyout intensifying as they plunged to lows in March.</p>.<p>Record share buybacks and a string of asset sales have driven a 180 per cent share price gain since then, giving the group a market capitalization of around $140 billion and raising the hurdle for a buyout.</p>.<p>SoftBank was not immediately reachable for comment. </p>
<p>SoftBank Group Corp shares jumped as much as 7 per cent on Wednesday after Bloomberg News reported that the group was considering buying back shares to boost CEO Masayoshi Son's stake so he could squeeze out remaining investors.</p>.<p>SoftBank's shares are seen as chronically undervalued by company executives, with debate around the benefits of a buyout intensifying as they plunged to lows in March.</p>.<p>Record share buybacks and a string of asset sales have driven a 180 per cent share price gain since then, giving the group a market capitalization of around $140 billion and raising the hurdle for a buyout.</p>.<p>SoftBank was not immediately reachable for comment. </p>